Gas-separator.



. Patented Feb. I8, |902.

M. L. &. W. D.'WARNER.

GAS SEPARATOB.

(Application led Apr. 4, 1900.)

(No Model.)

(31111@ wrm initiierten @trarne Parietti @erica MGRRIS L. lVARNER ANDVILLARD D. VARNER, OF HUDSON, MICHIGAN.

GAS-SEPARATDR.

SPCEFGATON forming part of Letters Patent No. 693,763, dated February18, 1902.

Application tiled April 4, 1900.

To all whom, il? 71u03/ concern:

Be it known that we, MORRIS L. lVARNER and W'ILLARD D. VARNER, citizensof the United States, residing at Hudson, in the county of Lenawee andState of Michigan, have invented a new and useful Gas-Separator, ofwhich the following is a specification.

Our present invention relates to improvements in separating apparatusfor gas systems, but :more particularly to aseparator attachmentdesigned to be applied to illuminating and heating systems at the lowestpoint thereof for the purpose of freeing the pipes of any accumulationof oil due to condensation or the imperfect vaporizalion of the gassupplied thereto.

The object of the invention is to provide a drain for the service-pipesystem by means of which the sediment and oil which may be present inthe service-pipe may be drained off without permitting the escape ofgas.

Considered in a more specific aspect, an object of the invention is toprovide such a drain in the form of an attachment which may be readilyapplied to any gas-pipe system either during or after its installation.

To these ends the invention consists in providing a drip or sedimentchamber which may be screwed into the lower end of the main service-pipeand having heads at its opposite ends from which extend into the chamberin opposite directions the inlet and outlet pipes so related that theoil discharged into the chamber through the inlet-pipe forms a liquidseal to prevent the escape of gas and is drawn ofic through thedischarge-pipe as soon as it has attained a level above that which isnecessary to render the seal effective.

In the accompanying drawing, the figure is a sectional view of the lowerend of the main service pipe with our drain-plug attaehed.

Referring to the numerals of reference, indicating corresponding partsand features in the View, l indicates a service-pipe extending upwardlyfrom a three-way fitting 2, to which is led the gas-supply pipe 3. IAsthe gas is generated and supplied to the system pipes or conduits acertain percentage of oil of low grade will gradually find its way intothe pipes of the system, and a certain amount of oil will be formed inthe pipes by condensa- Serial No. 11,525. (No model.)

tion and the various impurities carried into the service-pipes by thevapor or gas will gradually be deposited with the oil and will gravitateto the lowest point of the system, which is at the fitting 2, located atthe bottom or lower end of the main service-pipe. It is for the removalof this accumulation of oil and debris that our present invention hasbeen devised.

The lower end of the iitting 2 is internally threaded for the receptionof the externallythreaded upper end of our novel drain-plug 23, which ispreferably cylindrical in form and provided with heads 24 and 25,defining an intermediate drain or seal chamber 26. The external threadsat the upper end of the plug may be formed in the exterior surfacethereof, or, as shown, they may be formed in a separate coupling-ring27, rings of varying dimensions being employed for the purpose ofattaching the plug to fittings of various diameters in order that theplug may be readily attached to systems already installed regardless ofthe diameters of the gas-mains. The upper head 2i is screwed into theupper end of the hollow plug 23 and is pierced eccentrically by aninternally-threaded inlet-orifice 2S, into which is screwed the upperthreaded end of the drip or inlet pipe 29, depending from the head 2lito a point removed from but adjacent to the lower head 25. The head 25,constituting the bottom of the seal-chamber, may be integral with orotherwise fixed in the lower end of the plug and is piercedeccentrically by a threaded discharge-orifice 30, into which is fitted athreaded collar or thimble 3l, into which is screwed in turn the lowerthreaded end 32 of the outlet or discharge pipe 33, located at one sideof the pipe 29 and extending upwardly into the seal-chamber a suitabledistance above the lower end of the inlet-pipe and preferablyterminating comparatively adjacent to the head 24.

In assembling the drain-plug the inlet-pipe 29 is iirst screwed into thehead 24.-, which is then screwed into the upper end of the plug. Af terthe inlet-pipe is in place the outlet-pipe 33, with its attached collar,is slipped into the plug to one side ofthe pipe 29 to permit the sleeveto be securely screwed into the orifice to retain the pipe 33 in itsproper position. A coupling-ring 27 of the proper size is now fitted tothe upper end ofi' the plug, which latter is screwed into the lower endof the fitting 2, and a suitable drain-pipe 34 having been screwed uponthe depending threaded extremity 32 of the pipe 33 the structure isproperly organized for use.

It will now appear that the accumulation of oil, impurities, or otherdebris gravitating to the fitting 2 from the various ramifications ofthe system will finally escape to the interior of the seal-chamber 26through the inletpipe 29. As soon as sufficient oil has accumulated inthe seal-chamber to submerge the lower end of the pipe 29 a liquid sealwill be formed and the escape of gas from the conduits or mains of thesystem will be prevented. Continued accumulation, however, will raisethe level of oil in the seal-chamber to the upper end of thedischarge-pipe 33 and will be drained off through said pipe to thedrainpipe 34. It will be obvious, however, that the depth of the sealmay be regulated in accordance with the gas-pressure by the longitudinaladjustment of the discharge-pipe 33 within its sleeve 31, whichadjustment regulates the distance between the inner ends of the inletand outlet pipes, and consequently the height of the liquid seal withinthe chamber, as desired. When the plug is first fitted to the system, itmay be provided with a sufficientquantity of oil t-o form a seal inorder that the escape of gas will be prevented during the period whichwould otherwise elapse between the insertion of therplug and theaccumulation of sufficient oil to form the seal.

From the foregoing it will be observed that we have produced a simpleand effective selfsealing drain-plug for gas systems adapted to beyconnected to the gas-main after the installation of the system andwithout regard to the diameter of the main; but while the presentembodiment of our invention appears at this time to be preferable we donot desire to limit ourselves to the structural details defined, butreserve the right to effect such changes, modifications, and variationsas may come properly within the scope of the protection prayed.

What we claim is- In agas system, the combination with a gasmain havingits lower extremity interiorly threaded, of a hollow plug having athreaded coupling-ring surrounding its upper end and screwed into thegas-main, a removable head screwed into the upper end of the plug andpierced bya depending inlet-pipe discharging exclusively at its lowerend within the plug, and a longitudinally adjustable dischargepipepassed through the lower end of the plug and extended above theexclusive point of discharge of the inlet-pipe to seal thedischarge-opening of the inlet-pipe without permitting gas to escapefrom the main.

In testimony that we claim the foregoing as our own we have heretoaffixed our signatures in the presence of two witnesses.

MORRIS L. WARNER. W'ILLARD D. VARNER.

Witnesses:

PERCY E. WAREHAM, OHAs. L. WARNER.

